linux-kernel - Re: [PATCH v3 4/4] hugetlb: Clean up hugetlb_cma

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Message-ID: <d2ab442f-99a3-fb09-00f4-8c5897cf1ccf@redhat.com>
Date:   Fri, 29 Apr 2022 11:28:52 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Peng Liu <liupeng256@...wei.com>, mike.kravetz@...cle.com,
        akpm@...ux-foundation.org, yaozhenguo1@...il.com,
        baolin.wang@...ux.alibaba.com, songmuchun@...edance.com,
        liuyuntao10@...wei.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 4/4] hugetlb: Clean up hugetlb_cma_reserve

On 13.04.22 05:29, Peng Liu wrote:
> Use more generic functions to deal with issues related to online
> nodes. The changes will make the code simplified.
> 
> Signed-off-by: Peng Liu <liupeng256@...wei.com>
> ---
>  mm/hugetlb.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/mm/hugetlb.c b/mm/hugetlb.c
> index 2e4d8d9fb7c6..4c529774cc08 100644
> --- a/mm/hugetlb.c
> +++ b/mm/hugetlb.c
> @@ -6953,7 +6953,7 @@ void __init hugetlb_cma_reserve(int order)
>  		if (hugetlb_cma_size_in_node[nid] == 0)
>  			continue;
>  
> -		if (!node_state(nid, N_ONLINE)) {
> +		if (!node_online(nid)) {
>  			pr_warn("hugetlb_cma: invalid node %d specified\n", nid);
>  			hugetlb_cma_size -= hugetlb_cma_size_in_node[nid];
>  			hugetlb_cma_size_in_node[nid] = 0;
> @@ -6992,7 +6992,7 @@ void __init hugetlb_cma_reserve(int order)
>  	}
>  
>  	reserved = 0;
> -	for_each_node_state(nid, N_ONLINE) {
> +	for_each_online_node(nid) {
>  		int res;
>  		char name[CMA_MAX_NAME];
>  

Reviewed-by: David Hildenbrand <david@...hat.com>

-- 
Thanks,

David / dhildenb